HUAWEI Band 4 Smart Band, Fitness Activities Tracker with 0.96" Colour Screen, 24/7 Continuous Heart Rate Monitor, Sleep Tracking, 5ATM Waterproof, up to 6 Days of Usage Time, Amber sunrise Heart rate monitor Tracks sports / steps / distance / calories / sleep Smartphone notifications Up to 6 days battery life Water resistant See your health and fitness stats instantly with the Huawei Band 4. It tracks your everyday activity, including steps, distance and calories burned. It also measures oxygen saturation in your blood to help you manage possible health issues. It has a customisable display, so you can add a personal touch to your watch by downloading watch faces from the Huawei Face Store. And when you need some downtime, the band will also monitor on your heart rate and your sleeping patterns, so you'll know when to relax and what kind of rest you're getting. Note: Never Used / Non-retail packaging / No Manual